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2 years ago

Can someone help me with this question? Thank you!

Mathematics

1 answer:

Harrizon [31]2 years ago

8 0

$\qquad\qquad\huge\underline{{\sf Answer}}$

Let's evaluate ~

The given expression is :

$\qquad \sf \dashrightarrow \:4x + 8$

plug the value of x as 3

$\qquad \sf \dashrightarrow \:4(3) + 8$

$\qquad \sf \dashrightarrow \:12 + 8$

$\qquad \sf \dashrightarrow \:20$

Therefore, the required value is 20

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What is quartile 1 (Q1)quartile 3 (Q3) and the IQR? Answer all three parts . 13, 23, 24, 25, 26, 26, 37, 47, 47, 48, 50

Fittoniya [83]

Answer:

Quartile 1 (Q1) = 24

Quartile 2 (Q2) = 47

IQR = 23

Step-by-step explanation:

Given:

The set of data are:

13, 23, 24, 25, 26, 26, 37, 47, 47, 48, 50

The data are in increasing order. The number terms are, $n = 11$ .

Therefore, the middle term = $\frac{n+1}{2}=\frac{11+1}{2}=6^{th}\ term$

So, the median = 26

Now, the median divides the set of data into two parts. The median of first part is the quartile 1 and the median of second part is quartile 2.

So, the first part has the following terms:

13, 23, 24, 25, 26

Here also, $n=5$ . So, the third term is the median.

∴ Q1 = 24

The second part has the following terms:

37, 47, 47, 48, 50

Here also, $n=5$ . So, the third term is the median.

∴ Q2 = 47.

Now, IQR = Q2 - Q1 = 47 - 24 = 23.

7 0

3 years ago

When making sugar skulls we made 5 small ones for every 7 large ones we made. If we made 132 sugar skulls altogether, how many w

Zina [86]

Okay so first,

Confirm: Every time we have 7 large sugar skulls, that also makes 5 large sugar skulls. So if you have 132 ALTOGETHER, then you'd need to do some multiplication/division. First, divide 132 by 5, that equals 26 small sugar skulls. Lastly, 132 ÷ 7 = 18 large sugar skulls. So there are 26 small sugar skulls and 18 large sugar skulls.

(I hope that was right, I tried my best :)

4 0

3 years ago

The line below are parallel. If the green line has a slope of -1/2, what is the slope of the red line?

Phoenix [80]

Answer:

The slope of the red line is -1/2

Step-by-step explanation:

Parallel lines always have the same slope

7 0

3 years ago

Read 2 more answers

For which expression is the sum of the constants greater than the sum of the coefficients?

Svetach [21]

Answer:

$8+3x^2+7x+4$

Step-by-step explanation:

The first expression is

$7+3x^2+7x+3$

The sum of the constants is 7+3=10

The sum of the coefficients is 3+7=10

The second expression is;

$7+4x^2+4x+1$

The sum of the constants is 7+1=8

The sum of the coefficients is 4+4=8

The third expression is;

$8+4x^2+8x+2$

The sum of the constants is 8+2=10

The sum of the coefficients is 4+8=12

The fourth expression is;

$8+3x^2+7x+4$

The sum of the constants is 8+4=12

The sum of the coefficients is 3+7=10

Hence the correct choice is the expression in which the sum of the constants greater than the sum of the coefficients

3 0

3 years ago

Jake has a 34% batting average. If Jake gets up to bat 10 times in one game, what is the BEST estimate of how many times he will

miss Akunina [59]

Answer:

Approximately 3 times, Jake will be able to hit the ball in a game of 10 balls

Step-by-step explanation:

Batting average determine the % share of time the bat hit the ball.

Jake's probability of hitting a ball = 0.34

Jake plays 10 games.

Probability of hitting a ball in a game is

10 * 0.34 = 3.4

Approximately 3 times, Jake will be able to hit the ball in a game of 10 balls

5 0

3 years ago